???????????? ?????????

????:??600??:???????

????6??30??????????? (??)????30????9??????24????????????????????????????????????????????????????,???????????????(120~160?????????????),?(??30~50??????????????,??60???????)???????(8?)???

29??20??????????30??????????7?,?????????????????????????????????????????????790??????50??,??18.9%;41??????????????????100?,??1.0%;???150.3???

?????,30??;??,??,???(??) ????:??